Questions tagged [angular2-opaquetoken]
7 questions
38
votes
4 answers
What is in Angular 2 Opaque Token and What's the Point?
I am running into 'opaque tokens' as a solution to implementing global constants in Angular 2, for example here: Define global constants in Angular 2
Despite reading the docs, I can't seem to grasp the point.
Using an OpaqueToken is preferable to…
VSO
- 11,546
- 25
- 99
- 187
7
votes
1 answer
Using injectable token for handling global constants Angular 4
we are building new Angular 4 project and trying to understand what approach will be the best for handling global constants which will be reused through all project.
I want to place all constants inside shared folder like so
shared
--constants
…
VladosJS
- 1,210
- 8
- 20
2
votes
0 answers
Why use a Service and Token / OpaqueToken to get the Window object in Angular
I was speaking to a colleague the other day who didn't like my code. In my Angular Component I access the window object like so private myWindow = window;
He told me a better way was to use a Service and a Token / OpaqueToken (I have no idea what a…
Mark Sandman
- 3,293
- 12
- 40
- 60
1
vote
0 answers
How to import 3rd party js libraries into angular with the aot compiler
I am currently using an opaque token. I first define an opaque token in the common section of the project as follows:
import { InjectionToken } from '@angular/core';
export let JQ_TOKEN = new InjectionToken('jQuery');
I then import this as…
trees_are_great
- 3,881
- 3
- 31
- 62
0
votes
1 answer
Angular: Inject an opaque token
I try to understand how I could inject an opaque token.
For instance, I have some service MyService, and I create an opaque token for it:
import {OpaqueToken} from '@angular/core';
...
const serviceToken = new…
Mike Mameko
- 199
- 1
- 2
- 11
0
votes
1 answer
Angular2 Routing-Resolve interface usage with OpaqueToken
I want to fetch data before an route/component is instantiated. Therefore I want to use the "Resolver"-Interface from the Angular2-Routing-Module.
Take a look at my code. Its working with a string as the provider name, but throwing errors if I use…
juli
- 109
- 1
- 9
0
votes
0 answers
OpaqueTokens - why do they require @Inject(token) instead of being typed
Why do I need to @Inject(...) an OpaqueToken, instead of using it like a type?
Why does this work:
import { AppConstantsToken } from './app.constants.ts';
export class MyApp {
constructor(@Inject(AppConstantsToken) private config) {
…
keldar
- 6,152
- 10
- 52
- 82